diff --git a/scripts/buld.py b/scripts/buld.py
index d94e727..875940d 100644
--- a/scripts/buld.py
+++ b/scripts/buld.py
@@ -1,6 +1,4 @@
-from subprocess import call
 import os
-import re
 
 import settings
 import instruments
@@ -20,29 +18,11 @@ import instruments
 # print(projects_to_build)
 
 sln_config = "Debug|iPhone Simulator"
-build_cmd_pattern = '{0} -v build "--configuration:{1}" "--target:Build" {2}'
-# build_cmd_text = build_cmd_pattern.format(settings.mdtool, sln_config, settings.sln_path)
-
-# print(build_cmd_text)
-# ret_code = call(build_cmd_text, shell=True)
-# print('finished with return code: {0}'.format(ret_code))
-
 sln_dir = os.path.dirname(settings.sln_path)
-# sln_file = open(settings.sln_path)
-# sln_file_content = sln_file.read()
-# print(sln_file_content)
 
-# project_description_re = re.compile(r' = "(?P<project_name>\S+)", "(?P<project_rel_path>[\S\\]+csproj)"')
-# match_iter = project_description_re.finditer(sln_file_content)
+instruments.CreateOrRestoreFromBackup(sln_dir, settings.files_for_backup)
+instruments.RemoveProjectFromSolution(settings.sln_path, settings.projects_to_exclude)
+instruments.CleanSolution(settings.mdtool, settings.sln_path)
+instruments.BuildSolution(settings.mdtool, settings.sln_path, sln_config)
 
-# project_descriptions = [m.groupdict() for m in match_iter]
-# for project_description in project_descriptions:
-# 	rel_path = project_description['project_rel_path'].replace('\\', '/')
-# 	abs_path = os.path.join(sln_dir, rel_path)
-# 	build_cmd_text = build_cmd_pattern.format(settings.mdtool, sln_config, abs_path)
-# 	print(build_cmd_text)
-# 	ret_code = call(build_cmd_text, shell=True)
-# 	print('finished with return code: {0}'.format(ret_code))
-
-# instruments.CreateOrRestoreFromBackup(sln_dir, settings.files_for_backup)
 # instruments.DeleteBackups(sln_dir, settings.files_for_backup)
\ No newline at end of file
diff --git a/scripts/instruments.py b/scripts/instruments.py
index c73764b..ac977f0 100644
--- a/scripts/instruments.py
+++ b/scripts/instruments.py
@@ -1,5 +1,7 @@
+from subprocess import call
 import shutil
 import os
+import re
 
 def MapToBackupName(origin_path):
 
@@ -49,4 +51,36 @@ def ResetDirectory(base_dir, relative_path_to_files):
 	CreateOrRestoreFromBackup(base_dir, relative_path_to_files)
 	DeleteBackups(base_dir, relative_path_to_files)
 
-	return None
\ No newline at end of file
+	return None
+
+def RemoveProjectFromSolution(abs_path_to_sln, project_names):
+
+	sln_file = open(abs_path_to_sln, 'r+')
+	content = sln_file.read()
+
+	for pn in project_names:
+		reg_pattern = r'\n*Project.*?"{0}".*?\n*EndProject'.format(pn)
+		content = re.sub(reg_pattern, "", content)
+
+	sln_file.seek(0)
+	sln_file.write(content)
+	sln_file.truncate()
+	sln_file.close()
+
+def CleanSolution(mdtool, abs_path_to_sln):
+
+	clean_cmd_pattern = '{0} -v build "--target:Clean" {1}'
+	clean_cmd_text = clean_cmd_pattern.format(mdtool, abs_path_to_sln)
+
+	print(clean_cmd_text)
+	ret_code = call(clean_cmd_text, shell=True)
+	print('finished with return code: {0}'.format(ret_code))
+
+def BuildSolution(mdtool, abs_path_to_sln, config):
+
+	build_cmd_pattern = '{0} -v build "--configuration:{1}" "--target:Build" {2}'
+	build_cmd_text = build_cmd_pattern.format(mdtool, config, abs_path_to_sln)
+
+	print(build_cmd_text)
+	ret_code = call(build_cmd_text, shell=True)
+	print('finished with return code: {0}'.format(ret_code))